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Finding the Fourth Proportional to 15,054.99, 20,773.77 and 8,341.01

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Solution

The fourth proportional to 15,054.99, 20,773.77 and 8,341.01 is: 11,509.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,054.99 : 20,773.77 = 8,341.01 : x
  2. Step 2: Convert to fraction form
    15,054.99/20,773.77 = 8,341.01/x
  3. Step 3: Cross multiply
    15,054.99x = 20,773.77 × 8,341.01
  4. Step 4: Simplify right side
    15,054.99x = 173,274,253.70
  5. Step 5: Solve for x
    x = 173,274,253.70/15,054.99
  6. Step 6: Final answer
    x = 11,509.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.